feat: complete v0.3 reading and discovery experience

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mebbling",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "",
   "private": true,
   "scripts": {
@@ -16,10 +16,14 @@
   "dependencies": {
     "bcryptjs": "^3.0.3",
     "better-sqlite3": "^12.11.1",
+    "highlight.js": "^11.11.1",
     "jose": "^6.2.3",
     "next": "^15.5.20",
     "react": "^19.2.7",
     "react-dom": "^19.2.7",
+    "react-markdown": "^10.1.0",
+    "rehype-highlight": "^7.0.2",
+    "remark-gfm": "^4.0.1",
     "tsx": "^4.23.1",
     "zod": "^4.4.3"
   },